15143072 has 48 divisors (see below), whose sum is σ = 34614720. Its totient is φ = 6386688.

The previous prime is 15143041. The next prime is 15143123. The reversal of 15143072 is 27034151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14504 + ... + 15512.

It is an arithmetic number, because the mean of its divisors is an integer number (721140).

Almost surely, 2^15143072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15143072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17307360).

15143072 is an abundant number, since it is smaller than the sum of its proper divisors (19471648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15143072 is a wasteful number, since it uses less digits than its factorization.

15143072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15143072 is about 3891.4100272266. The cubic root of 15143072 is about 247.4028295897.

The spelling of 15143072 in words is "fifteen million, one hundred forty-three thousand, seventy-two".